aplacental

• Terme biologique désignant un animal dépourvu de placenta, généralement utilisé dans un sens vieilli ou technique.

An obsolete biological term describing an animal that does not have a placenta.

1. Having no placentaC2formalscientific

   Describing an organism, especially a mammal, that lacks a placenta for fetal development.

   aplacentaire

   • Marsupials are aplacental mammals that give birth to relatively undeveloped young.
   • The aplacental condition is typical of monotremes and marsupials.
   • Researchers studied the aplacental development of the kangaroo embryo.

   Antonymesplacental